// Copyright 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
description: Named backreferences in non-Unicode RegExps
esid: prod-GroupSpecifier
features: [regexp-named-groups]
includes: [compareArray.js]
---*/

// Named references.
function Test() {
    assert.compareArray(["bab", "b"], "bab".match(/(?<b>.).\k<b>/));
    assert.sameValue(null, "baa".match(/(?<b>.).\k<b>/));

// Reference inside group.
    assert.compareArray(["bab", "b"], "bab".match(/(?<a>\k<a>\w)../));
    assert.sameValue("b", "bab".match(/(?<a>\k<a>\w)../).groups.a);

// Reference before group.
    assert.compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/));
    assert.sameValue("b", "bab".match(/\k<a>(?<a>b)\w\k<a>/).groups.a);
    assert.compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/));
    let {a, b} = "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/).groups;
    assert.sameValue(a, "a");
    assert.sameValue(b, "b");

    assert.compareArray(["bab", "b"], "bab".match(/\k<a>(?<a>b)\w\k<a>/));
    assert.compareArray(["bab", "b", "a"], "bab".match(/(?<b>b)\k<a>(?<a>a)\k<b>/));

// Reference properties.
    assert.sameValue("a", /(?<a>a)(?<b>b)\k<a>/.exec("aba").groups.a);
    assert.sameValue("b", /(?<a>a)(?<b>b)\k<a>/.exec("aba").groups.b);
    assert.sameValue(undefined, /(?<a>a)(?<b>b)\k<a>/.exec("aba").groups.c);
    assert.sameValue(undefined, /(?<a>a)(?<b>b)\k<a>|(?<c>c)/.exec("aba").groups.c);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
